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FusionAuth vs Zitadel: Which Should You Choose in 2026?

Choosing between FusionAuth and Zitadel comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.

By Toolradar Team · Last updated February 28, 2026 · Methodology

Short on time? Here's the quick answer

We've tested both tools. Here's who should pick what:

FusionAuth

Customer identity and access management

Best for you if:

  • • You want the higher-rated option (8.4/10 vs 8.2/10)
  • • You need low-code backend features specifically
  • FusionAuth is a complete identity platform for authentication and authorization
  • It provides login, registration, SSO, and user management with self-hosting options

Zitadel

Open-source identity management

Best for you if:

  • • You need api tools features specifically
  • Zitadel is an open-source identity management platform
  • It provides authentication, authorization, and user management
At a Glance
FusionAuthFusionAuth
ZitadelZitadel
Price
Free + PaidFree + Paid
Best For
Low-Code BackendAPI Tools
Rating
84/10082/100
FeatureFusionAuthZitadel
Pricing ModelFreemiumFreemium
Editorial Score
84
82
Community RatingNo ratings yetNo ratings yet
Total Reviews00
Community Upvotes
0
0
Categories
Low-Code BackendHosting & Deployment
API ToolsHosting & Deployment

How FusionAuth and Zitadel Compare

FusionAuth

Customer identity and access management

Free tier available · 84/100 score

Zitadel

Open-source identity management

Free tier available · 82/100 score

FusionAuth is a low-code backend tool. Zitadel is in api tools.

Who Should Use What?

On a budget?

Both are freemium. Compare plans on their websites.

Go with: FusionAuth

Want the highest-rated option?

FusionAuth: 84/100. Zitadel: 82/100.

Go with: FusionAuth

Value user reviews?

Neither has user reviews yet.

Go with: FusionAuth

3 Questions to Help You Decide

1

What's your budget?

Both are freemium. Pricing won't help you decide here.

2

What's your use case?

FusionAuth is a low-code backend tool. Zitadel is in api tools. Pick the category that matches your needs.

3

How important are ratings?

FusionAuth scores higher: 84/100 vs 82/100.

Key Takeaways

FusionAuth

  • Higher score: 84/100 vs 82
  • Free tier available
  • Our pick for this comparison

Zitadel

  • Better fit for api tools

The Bottom Line

FusionAuth (84/100) is our pick.

Frequently Asked Questions

Is FusionAuth or Zitadel better?

FusionAuth scores 84/100 in our evaluation. Both are freemium.

What are FusionAuth and Zitadel used for?

FusionAuth: Customer identity and access management. Zitadel: Open-source identity management.

What does FusionAuth cost vs Zitadel?

FusionAuth is freemium (free tier + paid plans). Zitadel is freemium (free tier + paid plans). Visit their websites for detailed pricing.

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